TIL The first mid-air refueling occurred in 1923 by the US Army Air Core between two bi-planes. en.wikipedia.org Submitted by muadeebpaul t3_y90j2t on October 20, 2022 at 2:59 PM in todayilearned 11 comments 138
LaDiabete t1_it59ki3 wrote on October 21, 2022 at 1:00 AM Most of the planes from that era were bi..but it wasn't socially accepted as much as it is today Permalink 1
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